Wrong-way Driving by Dr. Sudoku
(This post is part of: “A Story of Self-setting Sudoku”.)
While we are now excellent at predicting the flow of traffic, it seems that it takes only a few incorrect bits to really cause more pileups. Fortunately we are getting phenomenal test data submissions to learn the ways of self-setting sudoku.
or solve online (using SudokuPad)
Author/Opus: This is 8th puzzle from “Dr. Sudoku”, our AI-powered puzzle engine pushing the limits of sudoku intelligence.
Rules: Insert a number from 1 to 9 into each white cell so that no number repeats in any row, column, or bold region.
Difficulty (highlight to view): 3.5 stars
Time Standards (highlight to view): Grandmaster = 3:30, Master = 6:00, Expert = 12:00
Solution: PDF
Note: Follow this link for classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku, The Art of Sudoku 2 and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.
Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Twelve Months of Sudoku? post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.